<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			*{
				margin: 0;
				padding: 0;
			}
			body,html{
				height: 100%;
				width: 100%;
				display: flex;
				flex-direction: column;
				
			}
			header{
				height: 60px;
				background-color: red;
			}
			.content{
				height: 100%;
				background-color: #000000;
				color: white;
				display: flex;
			}
			nav{
				width: 200px;
			}
			main{
				flex: 1;
			}
			aside{
				width: 200px
			}
			footer{
				background-color: yellow;
				height: 60px;
			}
		</style>
	</head>
	<body>
			<header>header</header>
			<div class="content">
				<nav>nav</nav>
				<main>main</main>
				<aside>aside</aside>
			</div>
			<footer>footer</footer>
	</body>
</html>
